# SOLICITATION NUMBER 391471 “COST PRICE AUDIT SUPPORT”

Canonical: https://abierto.us/opportunities/solicitationnumber391471

- Solicitation number: SOLICITATION_NUMBER_391471
- Notice type: Sources sought
- Status: Closed. Deadline was September 9, 2026 at 5:00 PM EDT
- Department: Department of Energy
- Contracting office: Hanford Tank Waste Operations & Closure LLC - DOE Contractor (899091)
- NAICS: 541219 Other Accounting Services
- Set-aside: Service-disabled veteran-owned small business set-aside
- Place of performance: Richland, Washington
- First posted: July 30, 2026
- Last posted: September 2, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/c10f132a3575487bac2bc2b378a860d5/view

## Description

Hanford Tank Waste Operations & Closure, LLC (H2C) requests proposals for Cost Price Audit Support. The requested work is in support of H2C’s Prime Contract 89303324DEM000096 with the U.S. Department of Energy, Office of River Protection.

## Publications

- July 30, 2026: Sources sought, due August 20, 2026 at 5:00 PM EDT. Notice 761b015b0f8142a8a90175a89ba2ffa3. https://sam.gov/workspace/contract/opp/761b015b0f8142a8a90175a89ba2ffa3/view
- August 18, 2026: Sources sought, due August 27, 2026 at 5:00 PM EDT. Notice 60d987faa0b54dc689399cb0b1b9780f. https://sam.gov/workspace/contract/opp/60d987faa0b54dc689399cb0b1b9780f/view
- August 25, 2026: Sources sought, due September 3, 2026 at 5:00 PM EDT. Notice c60daa16ad2d4a8aa4a6ac6f0b4bf393. https://sam.gov/workspace/contract/opp/c60daa16ad2d4a8aa4a6ac6f0b4bf393/view
- September 2, 2026: Sources sought, due September 9, 2026 at 5:00 PM EDT. Notice c10f132a3575487bac2bc2b378a860d5. https://sam.gov/workspace/contract/opp/c10f132a3575487bac2bc2b378a860d5/view

## Points of contact

- Michelle Burden, michelle_l_burden@rl.gov, 509-372-2423

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/solicitationnumber391471.